发明名称 Soil mulcher
摘要 A mulcher that includes a longitudinal member having one end adapted for connection to a mobile power source, a beam member extending transversely of the connecting member and connected thereto and also having a downwardly opening channel configuration, a generally curved bar located in the channel configuration, a mounting structure for connecting the curved bar to the beam member and a spring tooth structure having a pair of spaced axially aligned coil portions and an intervening connector portion pivotally mounted on the curved bar with a tooth portion extending downwardly from the endmost convolutions of the coil portions. The connector portion engaging the mounting structure when the mulcher is towed and the tooth portions engage the soil with the coil portions winding up on the curved bar. The connector portion moving away from the mounting structure until the tooth portions contact the channel when the mulcher is backed up with the tooth portions in the soil.
申请公布号 US4342366(A) 申请公布日期 1982.08.03
申请号 US19810228045 申请日期 1981.01.26
申请人 INTERNATIONAL HARVESTER CO. 发明人 SCHENK, DALE C.;RALPH, HAROLD D.
分类号 A01B23/02;A01B23/04;A01B73/04;(IPC1-7):A01B23/02 主分类号 A01B23/02
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